Mitigation of radionuclide deposition in contaminated water: effects of pH on coprecipitation of Cs(I) and Sr(II) with Fe(III) in aqueous solutions

  • TaeJun Kim
  • Minsik Kim
  • Sang-Hyuk Jung
  • Jei-Won Yeon
Article

Abstract

In the present study, the amounts of caesium and strontium were quantified in the precipitates formed in solutions of sodium hydroxide and iron(III), caesium, and strontium chlorides in the pH range of 7–13. At pH 8 or lower, less caesium and strontium were found in the precipitates. It was verified that for water radioactively contaminated after a severe accident at a nuclear power plant, both iodine volatilization and metal coprecipitation with iron(III) hydroxide can be minimized at ambient temperature by maintaining the water pH near 7.

Keywords

Metal coprecipitation Caesium Strontium Iron(III) hydroxide Sodium hydroxide Iodine volatilization 

Notes

Acknowledgements

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT: the Ministry of Science and ICT) (No. 2017M2A8A4015281).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  • TaeJun Kim
    • 1
    • 2
  • Minsik Kim
    • 1
    • 2
  • Sang-Hyuk Jung
    • 1
  • Jei-Won Yeon
    • 1
    • 2
  1. 1.Nuclear Chemistry Research DivisionKorea Atomic Energy Research InstituteDaejeonRepublic of Korea
  2. 2.Radiochemistry and Nuclear NonproliferationUniversity of Science and TechnologyDaejeonRepublic of Korea

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